178 IGUANID^. 



f. c?. Bahia. Dr. Wuchever [C.]. (TyT^e of Trachijci/chis 



superciliaris. ) 

 d-f,g.S2- Pernambuco. J. P. Smith, Esq. [P.]- (Types of Tara- 



gicira smithii.) 



h. S ■ Para. 



i. J . Brazil. C. Darwin, Esq. [P.]. I (Types of T. 



k-l. S- Brazil. \ smithii.) 



m. S • Brazil. Copenliagen Museum [P.]. (As typical of 



T. macrolepis.) 

 n. (S • Venezuela. 



10. Tropidurus semitseniatus. 



Agama semitseniata, Spix, Spec. Nov. Lacert. Bras. p. 13, pi. xvi. 



fig. 1. 

 Platynotus semitfeniatus, Wa(/l. Sj/st. Amph. p. 146. 

 Tropidurus (Platynotus) semitseniatus, Peters^ Mon. Berl. Ac. 1877, 



pp. 409, 414. 



Distinguished from T. torquatus in having perfectly smooth dorsal 

 scales. 

 Bahia. 



11. Tropidurus? blainvillii. 



Tropidogaster blainvillii, Gray, Cat. p. 227. 

 Tropidogaster blainvillii, Dum. ^- Bibr. iv. p. 330, pi. xxxix. bis. 



Ptychosanrus (Tritropis) blainvillii, Fitzing. Syst. Eept. p. 59. 



Nostril lateral. Upper head-scales keeled ; no enlarged supra- 

 oculars ; occipital moderately large ; anterior border of ear denticu- 

 lated. Sides of neck irregularly folded ; two transverse gular folds, 

 the anterior straight, the posterior arched. A vertebral denticula- 

 tion, extending on the tail. A fold along the flanks. Dorsal scales 

 small, scarcely imbricate, keeled ; ventral scales squarish-hexagonal, 

 tricarinate. The adpressed hind limb reaches the end of the snout. 

 Tail round or slightly compressed. Buff above, with small confluent 

 brown lines ; a greyish dorso-lateral band ; hinder side of thighs 

 with a longitudinal series of yellowish-white spots encircled with 

 black, and above them a yellowish black-edged line ; throat brownish, 

 chest greyish, belly yellowish. 



milliin. millim. 



Head 15 Fore limb 26 



Body 38 Hind limb 45 



28. URANISCODOH". 



Uraniscodon, part., Kaup, Isis, 1826, p. 89. 

 Ecphymotes, part., Fitzing. N. Classif. Rept. p. 17. 

 Hypsibatiis, Wagler, Syst. Amph. p. 150; Wieqin. Herp. Mex. p. 15; 

 D%m. ^- Bibr.'iw p. 253; Fitzing. Syst. Bept. p. 58, 



